US Bridges

NFSR 615.1 over Newcomb Creek

Good

Jackson County, Colorado · 3.8 MI N of JCT 60/615 · Structure no. 020604000003073

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 615.1 over Newcomb Creek is a steel culvert carrying NFSR 615.1 over Newcomb Creek in Jackson County, Colorado. It was built in 2001, so it is 24 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 620.7 mi (999 km).

CarriesNFSR 615.1
CrossesNewcomb Creek
Location3.8 MI N of JCT 60/615
RouteFederal Lands Road 615.1
Coordinates40.59762, -106.60543
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span24 ft (7.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NFSR 615.1 over Newcomb Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is NFSR 615.1 over Newcomb Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does NFSR 615.1 over Newcomb Creek carry?

About 50 vehicles per day (latest count).

How long is NFSR 615.1 over Newcomb Creek?

The structure is 24 ft (7.4 m) long with a longest span of 24 ft (7.4 m).

Who owns NFSR 615.1 over Newcomb Creek?

It is owned by the U.S. Forest Service.